251 search results - page 29 / 51 » Rewriting Aggregate Queries using Description Logic |
SIGIR
1999
ACM
14 years 3 days ago
1999
ACM
This paper claims that Belief Revision can be seen as a theoretical framework for document ranking in Extended Boolean Models. For a model of Information Retrieval based on propos...
KI
2004
Springer
14 years 1 months ago
2004
Springer
Abstract. We aim to demonstrate that automated deduction techniques, in particular those following the model computation paradigm, are very well suited for database schema/query re...
ESWS
2008
Springer
13 years 9 months ago
2008
Springer
Integrated access to multiple distributed and autonomous RDF data sources is a key challenge for many semantic web applications. As a reaction to this challenge, SPARQL, the W3C Re...
ICDE
2010
IEEE
14 years 7 months ago
2010
IEEE
A fundamental problem in XML query processing is tree pattern query (TPQ) matching which computes all data instances in an XML database that match an input TPQ. There is a lot of r...
WWW
2006
ACM
14 years 8 months ago
2006
ACM
Contextual search refers to proactively capturing the information need of a user by automatically augmenting the user query with information extracted from the search context; for...